Ornano Gradual ST20

Film	Developer	Dilution	ASA/ISO	35mm	120	Sheet	Temp	Notes
Arista II 100	Ornano Gradual ST20	1+9	100	6.5			20C	[30][78]
Arista Premium 100	Ornano Gradual ST20	1+9	125	6.25			20C	[29][78]
Arista Premium 100	Ornano Gradual ST20	1+9	250	7.5			20C	[29][78]
Arista Premium 100	Ornano Gradual ST20	1+9	500	9.5			20C	[29][78]
Arista Premium 400	Ornano Gradual ST20	1+9	400	9			20C	[29][78]
Arista Premium 400	Ornano Gradual ST20	1+9	800	10.75			20C	[29][78]
Arista Premium 400	Ornano Gradual ST20	1+9	1600	13.5			20C	[29][78]
CineStill BwXX	Ornano Gradual ST20	1+9	3200	30			20C	[a16]
Eastman Double-X (5222)	Ornano Gradual ST20	1+9	3200	30			20C	[a16]
Filmotec DP-3	Ornano Gradual ST20	stock	10	5.5			20C
Fuji Neopan 100 Acros II	Ornano Gradual ST20	1+9	50	6.5	6.5	6.5	20C	[v34][78]
Fuji Neopan 100 Acros II	Ornano Gradual ST20	1+9	100	7.5	7.5	7.5	20C	[v34][78]
Fuji Neopan 1600	Ornano Gradual ST20	1+9	500	9			20C	[78]
Fuji Neopan 1600	Ornano Gradual ST20	1+9	640	7.25			24C	[78]
Fuji Neopan 1600	Ornano Gradual ST20	1+9	800	12			20C	[78]
Fuji Neopan 1600	Ornano Gradual ST20	1+9	1600	12			24C	[78]
Fuji Neopan 400	Ornano Gradual ST20	1+9	400	12	12		20C	[78]
Fuji Neopan 400	Ornano Gradual ST20	1+9	400	9.25	9.25		24C	[78]
Fuji Neopan 400	Ornano Gradual ST20	1+9	800	12	12		24C	[78]
Ilford Delta 100 Pro	Ornano Gradual ST20	1+9	80	8	8	8	20C	[78]
Ilford Delta 100 Pro	Ornano Gradual ST20	1+9	100	9	9	9	20C	[78]
Ilford Delta 100 Pro	Ornano Gradual ST20	1+9	100	6	6	6	24C	[78]
Ilford Delta 3200 Pro	Ornano Gradual ST20	1+9	1600	15	15		20C	[78]
Ilford Delta 3200 Pro	Ornano Gradual ST20	1+9	3200	16.5	16.5		20C	[78]
Ilford Delta 400 Pro	Ornano Gradual ST20	1+9	160	9.5	9.5		20C	[78]
Ilford Delta 400 Pro	Ornano Gradual ST20	1+9	200	8	8		24C	[78]
Ilford Delta 400 Pro	Ornano Gradual ST20	1+9	250	9	9		24C	[78]
Ilford Delta 400 Pro	Ornano Gradual ST20	1+9	400	12	12		24C	[78]
Ilford FP4+	Ornano Gradual ST20	1+9	125	6.5	6.5	6.5	20C	[78]
Ilford FP4+	Ornano Gradual ST20	1+9	125	6.5	6.5		20C
* User Notes * Continuous agitation for first 15s, then for 5s every 30s. This comes from the Bellini datasheet as of 2025-04-23.
Ilford FP4+	Ornano Gradual ST20	1+9	250	8	8	8	20C	[78]
Ilford FP4+	Ornano Gradual ST20	1+9	500	10.5	10.5	10.5	20C	[78]
Ilford HP5+	Ornano Gradual ST20	1+9	400	11-12.5	11-12.5	11-12.5	20C	[78]
Ilford HP5+	Ornano Gradual ST20	1+9	400	12.5	12.5		20C
* User Notes * Continuous agitation for first 15s, then for 5s every 30s. This comes from the Bellini datasheet as of 2025-04-23.
Ilford HP5+	Ornano Gradual ST20	1+9	800	15	15	15	20C	[78]
Ilford HP5+	Ornano Gradual ST20	1+9	1600	18.5	18.5	18.5	20C	[78]
Ilford HP5+	Ornano Gradual ST20	1+9	3200		20		24C
* User Notes * Inversions every minute, temp controlled at 24 degrees Celsius.
Ilford Pan F+	Ornano Gradual ST20	1+9	50	6	6		20C	[78]
Ilford Pan F+	Ornano Gradual ST20	1+9	100	8	8		20C	[78]
Ilford SFX 200	Ornano Gradual ST20	1+9	100	10.5	10.5		20C	[78]
Ilford SFX 200	Ornano Gradual ST20	1+9	200	12	12		20C	[78]
Ilford SFX 200	Ornano Gradual ST20	1+9	400	15	15		20C	[78]
Kentmere 200	Ornano Gradual ST20	1+9	200	6.75			20C
Kentmere 400	Ornano Gradual ST20	1+9	400	9	9	9	20C
Kodak Double-X (5222)	Ornano Gradual ST20	1+9	3200	30			20C
* User Notes * Agitation every 3 minutes
Kodak Double-X (5222)	Ornano Gradual ST20	1+9	3200	30			20C	[a16]
Kodak HIE Infrared	Ornano Gradual ST20	1+9	100	11			20C	[78]
Kodak TMax 100	Ornano Gradual ST20	1+9	100	7.5	7.5		20C
* User Notes * Continuous agitation for first 15s, then for 5s every 30s. This comes from the Bellini datasheet as of 2025-04-23.
Kodak TMax 100	Ornano Gradual ST20	1+9	100	7.5	7.5	7.5	24C	[29][78]
Kodak TMax 100	Ornano Gradual ST20	1+9	200	7.5	7.5		24C
* User Notes * Continuous agitation for first 15s, then for 5s every 30s. This comes from the Bellini datasheet as of 2025-04-23.
Kodak TMax 100	Ornano Gradual ST20	1+9	200	7.5	7.5	7.5	24C	[29][78]
Kodak TMax 400	Ornano Gradual ST20	1+9	400	12	12		20C
* User Notes * Continuous agitation for first 15s, then for 5s every 30s. This comes from the Bellini datasheet as of 2025-04-23.
Kodak TMax 400	Ornano Gradual ST20	1+9	400	12	12	12	20C	[78]
Kodak TMax 400	Ornano Gradual ST20	1+9	400	9	9	9	24C	[78]
Kodak TMax 400	Ornano Gradual ST20	1+9	800	12	12	12	20C	[78]
Kodak TMax 400	Ornano Gradual ST20	1+9	800	12	12		20C
* User Notes * Continuous agitation for first 15s, then for 5s every 30s. This comes from the Bellini datasheet as of 2025-04-23.
Kodak TMax 400	Ornano Gradual ST20	1+9	800	9	9	9	24C	[78]
Kodak TMax P3200	Ornano Gradual ST20	1+9	1600	12			20C	[29][78]
Kodak TMax P3200	Ornano Gradual ST20	1+9	1600	10			24C	[29][78]
Kodak TMax P3200	Ornano Gradual ST20	1+9	3200	16			20C	[29][78]
Kodak TMax P3200	Ornano Gradual ST20	1+9	3200	13			24C	[29][78]
Kodak TMax P3200	Ornano Gradual ST20	1+9	6400	16			24C	[29][78]
Kodak Tri-X 320	Ornano Gradual ST20	1+9	320		10.5	10.5	20C	[78]
Kodak Tri-X 400	Ornano Gradual ST20	1+9	400	9	9		20C	[29][78]
Kodak Tri-X 400	Ornano Gradual ST20	1+9	800	10.75	10.75		20C	[29][78]
Kodak Tri-X 400	Ornano Gradual ST20	1+9	1600	13.5	13.5		20C	[29][78]
Kosmo Foto Mono	Ornano Gradual ST20	1+9	100	6.25	6.25		21C	[a30]
Legacy Pro 400	Ornano Gradual ST20	1+9	400	12			20C	[78]
Lucky SHD 400	Ornano Gradual ST20	1+9	400	13.5	13.5		20C	[78]
Orwo/Wolfen DP31	Ornano Gradual ST20	stock	10	5.5			20C
Rollei Retro 100	Ornano Gradual ST20	1+9	100	6.5	6.5	6.5	20C	[30][78]

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